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Engineering mathemagics
(lemmy.world)
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this post was submitted on 27 Jun 2025
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that's crazy to think about. which NT is responsible for sending a signal along my vagus nerve to my brain? what NTs regulate the functions of the sympathetic nervous system? how can transport as quickly as my body reacts? I need to know more!
how quickly do NTs even travel? it feels like electricity because it's nearly instantaneous! how do they do that so fast???
It takes hundreds of ms for a signal to go from your brain to your foot. Electricity on wires travels several times around the world in that time.
But for most of the distance the signals do travel as electricity. (At least the ones that get to be electricity, our brain has several kinds of signals.) It's just a particularly slow form of electricity.